Microchip Technology ATXMEGA16A4U-CU
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $14.00 | $14.00 |
| 15+ | $3.22 | $48.30 |
| 25+ | $3.15 | $78.75 |
| 50+ | $2.98 | $149.00 |
| 100+ | $2.63 | $263.00 |
| N+ | $0.53 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® XMEGA® A4U |
| Packaging | Tray | NULL |
| Core Processor | AVR |
| Core Size | 8/16-Bit |
| Speed | 32MHz |
| Connectivity | I2C, IrDA, SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Number of I/O | 34 |
| Program Memory Size | 16KB (8K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 1K x 8 |
| RAM Size | 2K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.6V ~ 3.6V |
| Data Converters | A/D 12x12b; D/A 2x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 49-VFBGA (5x5) |
| Package / Case | 49-VFBGA |
| ROHS |
The ATXMEGA16A4U-CU is an 8/16-bit AVR microcontroller from Microchip, operating at 32MHz with a 1.6V-3.6V supply. It features 16KB program memory and 2K x 8 RAM in a 49-VFBGA package. Integrated DMA, PWM, and brown-out detection make it suitable for low-power embedded applications.
- Ultra-low voltage (1.6V): Enables direct battery operation with minimal power loss.
- DMA controller: Moves data without CPU intervention, saving power.
- Compact VFBGA: Ideal for miniaturized designs.
- AVR core: Efficient C code execution for faster development.
Portable Medical Devices
1.6V operation extends battery life in glucose meters and pulse oximeters.
IoT Sensor Nodes
Low power and 32MHz speed balance performance with energy efficiency for wireless sensors.
Wearable Electronics
49-VFBGA package is ultra-compact for fitness trackers.
Smart Home Controllers
DMA and PWM support LED dimming and motorized blinds.
Data Loggers
2K RAM buffers sensor data before writing to external flash.
Industrial Monitoring
WDT and BOR ensure reliable operation in remote monitoring stations.
- Q: What is the operating voltage?
- A: 1.6V to 3.6V.
- Q: What is the package?
- A: 49-VFBGA.
- Q: What is the max speed?
- A: 32MHz.
- Q: Does it have DMA?
- A: Yes, DMA controller is included.
- Q: What is the operating voltage?
- A: 1.6V to 3.6V.
- Q: What is the package?
- A: 49-VFBGA.
- Q: What is the max speed?
- A: 32MHz.
- Q: Does it have DMA?
- A: Yes, DMA controller is included.

ATXMEGA16A4U-CU.pdf